<!DOCTYPE html>
<script>
  window.__NEXT_DATA__ = {
    buildId: 'test',
  };
</script>
<body>
  <div id="__next">
    This is a test to see if a page with a
    <pre>window.__NEXT_DATA__</pre>
    JavaScript object and has a node with id
    <pre>__next</pre>
    is using the Next.js JavaScript framework.
  </div>
</body>
